const TestSequencer = require('@jest/test-sequencer').default;
const path = require('path');

class CustomSequencer extends TestSequencer {
    sort(tests) {
        const target_test_path = path.join(__dirname, 'target.test.js');

        const target_test_index = tests.findIndex(t => t.path === target_test_path);

        if (target_test_index == -1) {
            return tests;
        }

        const target_test = tests[target_test_index];

        const ordered_tests = tests.slice();

        ordered_tests.splice(target_test_index, 1);
        ordered_tests.push(target_test); // adds to the tail
        // ordered_tests.unshift(target_test); // adds to the head

        return ordered_tests;
    }
}

module.exports = CustomSequencer;